Adjustable chair



FIG. 1 is a perspective view of an adjustable chair showing my newdesign;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view of the adjustable chair where theadjustable chair is in a configuration of use.

The broken lines in the drawings depict portions of the adjustable chairthat form no part of the claimed design.

CLAIM The ornamental design for an adjustable chair, as shown anddescribed.